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Topic Review (Newest First)

05-22-2007 04:41 PM

sailingdog

Quote:

Originally Posted by magnusmurphy

One more question:

My boat has a monitor windvane on the stern. Seems to me there is a danger of something like a JSD snagging the vane contraption, and either ripping it off, or chafing on it, as the boat goes through the inevitable yawing of waves.

Any comments?

M

It depends on the way you setup the bridle for the JSD. If you lead the bridle fair, you might not have any problems. I don't know how you plan on mounting the chainplates for the bridle and where they would be with respect to the windvane.

05-22-2007 01:59 PM

SallyH

There is a pattern and instructions for making your own Jordan Series Drogue HERE for anyone who may be interested.
(Courtesy JeanneP)

Good luck.

05-22-2007 01:35 PM

magnusmurphy

One more question:

My boat has a monitor windvane on the stern. Seems to me there is a danger of something like a JSD snagging the vane contraption, and either ripping it off, or chafing on it, as the boat goes through the inevitable yawing of waves.

Any comments?

M

05-21-2007 08:16 PM

sailingdog

I wouldn't, since most parachute-type drag devices are actually sea anchors, and that would leave you likely to get hit by a breaking wave with almost full force.... which doesn't happen with a JSD, due to the differences in design and function. Most boats can take a breaking wave over the bow to some degree, but are far less capable of taking such force over the cockpit and companionway.

05-21-2007 08:07 PM

magnusmurphy

That's my point. I guess I should have asked the question this way:
Can one also deploy the para anchor from the stern, or are they always deployed from the bow? Probably a stupid question, but one I nonetheless don't know the answer to since I've never seen any pictures or read about deploying them astern - always only from the bow...in contrast to JSD

Magnus

05-21-2007 08:01 PM

sailingdog

Part of the problem IMHO, of using a parachute-type sea anchor or drogue from the bow is if the sucker collapses or fails to hold the boat in a fairly steady position, the boat will move backwards and has a pretty fair chance of damaging the rudder, especially if the rudder isn't a balanced design. Then, IMHO, you're pretty screwed.

05-21-2007 07:36 PM

magnusmurphy

JSD and para anchors

Thanks for the excellent discussion. I have an aninformed question:
The JSD is deployed from the stern. From everything I've read, running before the storm (of course given the necessary sea room) will be my absolute first choice when ever confronted with a bad storm. Here is the question: Are para anchors always deployed from the bow?
If so, for me, the decision is easy. I would prefer to run forward with the waves, NOT backwards.

Magnus

05-21-2007 06:51 PM

abbarr

Jsd

I've been impressed about what I've read so far on the JSD. Most of what I like has already been discussed above. I find the data compelling. Lots of good info here: Jordan Series Drogue

For getting off a lee shore I think a true storm jib and tri sail arrangement and taking the seas 50 or so degrees of the bow will be my first choice (when I'm eventually confronted with those conditions). An anchor or drogue will slow you down, but it won't stop progress to the lee. You'd better have some gear to be able to make sufficient headway to weather. I think I'll be buying a JSD, but after two years of looking, I feel like I'm still doing my homework. Opinions on storm tactics, both professional and amateur, are as varied as the boats/skippers that use them.

05-21-2007 06:00 PM

sailingdog

Quote:

Originally Posted by gershel

Getting caught in bad conditions 50 mi from Bermuda, in deep water, does not mean that poor judgment or seamanship was used, but you are still in danger of a dangerous lee shore. I personally would want a way of slowing my progress to a minimum. Most case histories I've read claim 0.5kts or less with a Para-anchor. Also according to DDDB testimonials, when proper length nylon rodes are used, there are not exessive loads imposed. Chafe is definitly a problem, but knowing that, proper chafe gear should be obtained before leaving. Not doing so would be poor seamanship.
Marc

Yes, but have you ever tried to adjust the length of the rode on a parachute type sea-anchor under load??? It isn't really feasible unless you're letting out line. Parachute-type sea anchors have to be positioned properly, in relation to the boat, or they can collapse pretty easily. I prefer something that is a bit more flexible about its deployment.

05-21-2007 01:12 AM

gershel

JSD Not designed for shallow water

Not all lee shores occur in shallow water. The most notable for East Coast sailors, Bermuda. This can become a dangerous lee shore and the water is very deep close in. Many areas of the Bahamas come to mind also, and with less room to maneuver.
Getting caught in bad conditions 50 mi from Bermuda, in deep water, does not mean that poor judgment or seamanship was used, but you are still in danger of a dangerous lee shore. I personally would want a way of slowing my progress to a minimum. Most case histories I've read claim 0.5kts or less with a Para-anchor. Also according to DDDB testimonials, when proper length nylon rodes are used, there are not exessive loads imposed. Chafe is definitly a problem, but knowing that, proper chafe gear should be obtained before leaving. Not doing so would be poor seamanship.
Marc

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